Which number is the slope or y-intercept?
Name the slope and y-intercept.
y = 2x + 10
m=2 b=10
y = -1/2x + 3
-1/2
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Positive slope
Write an equation in slope-intercept form when slope = 3 and the y-intercept is 2
What is y = 3x + 2?
What is the letter used for slope?
m
Name the slope and y-intercept.
y = 3x + 21
m=3 b=21
3x + 4 = y
3
\
negative slope
Write in slope-intercept form: slope = 1/4; y-intercept = -6
What is y = 1/4 x - 6?
Formula for slope
y-y/x-x
Name the slope and y-intercept.
y = 4x - 20
m=4 b= -20
y = -3x - 2
-3
_
zero slope
Identify the slope: y = -5/2 x - 3/4
What is -5/2?
What is b in y = mx + b ?
b = y-intercept
Name the slope and the y-intercept.
4x + y = 8
m= -4 b=8
4x + y = 7
-4
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Undefined slope
Identify the y-intercept: y = 3/4x - 2
What is -2?
Write a linear equation.
(0,8) (5,3)
y= -x +8
Name the slope and y-intercept.
2y - x = 4
m=1/2 b=2
-6y + 9 = 3
0
x = -7
Undefined
Write in slope-intercept form: slope = 2; (3, 5)
What is y = 2x -1?
Write a linear equation.
(6,-5) (2,3)
y = -2x + 7